R. Malla

A review of GPS-based tracking techniques for TDRS orbit determination

S. Lichten, B. Haines, Sien-Chong Wu, 1993 .

PRECISE DETERMINATION OF EARTHS CENTER OF MASS USING MEASUREMENTS FROM THE GLOBAL POSITIONING SYSTEM

M. Heflin, G. Blewitt, S. Lichten, 2007 .

Determination of a geocentric coordinate frame for GPS measurements

S. C. Wu, R. Malla, 1988 .

Deriving a geocentric reference frame for satellite positioning and navigation

R. Malla, S.-C. Wu, 1988 .

Global coordinates with centimeter accuracy in the International Terrestrial Reference Frame using GPS

Michael B. Heflin, Geoffrey Blewitt, U. J. Lindqwister, 1992 .

Precise determination of earth's center of mass using measurements from the Global Positioning System

Michael B. Heflin, Stephen M. Lichten, Geoffrey Blewitt, 1992 .